The dance "Ruby Dan Xin" is adapted from the opera "Liang Hongyu" and tells the story of Liang Hongyu, a hero who fought against the Jin Army in the Song Dynasty, beating gongs and drums to retreat from the Jin Army. This story is a true event in the history of China. Liang Hongyu is a female general. She did well in the Song and Jin Wars, led the army to resist the attack of the Jin Army many times, and finally repelled the attack of the Jin Army and became a hero in history. The dance "Ruby and Red Heart" shows the heroic image of Liang Hongyu in the form of dance. In the dance, Liang Hongyu's movements are neat and heroic, which shows her courage and boldness.